[Tex/LaTex] Beamer slides look blurry at lower resolutions


I prepare slides using Beamer and PDFLaTeX. The command I use to run PDFLaTeX is the default AUCTeX command:

pdflatex  -interaction=nonstopmode "\input" <INPUT_FILE>

The slides look fine on my screen at my default resolution (1360×768), but if I have to step down the resolution (e.g., to 640×480) when I connect to a projector, they look aliased and blurry. Probably this has something to do with the kinds of fonts that are being used, but I don't know how to fix it. Any suggestions?

Best Answer

It depends on the fonts you're using. If you use the standard Computer Modern fonts but T1 font encoding, it may already help to install the cm-super package and recompile. There's no change in your tex file needed. cm-super contains Computer Modern fonts with T1 support.

Or switch to another T1 supporting font like lmodern, which is very similar to the standard font. \usepackage{lmodern} could be sufficient.

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